The 2010-2012 implementation plan of the European Sustainable Nuclear Industrial Initiative (ESNII), in the frame of the Sustainable Nuclear Energy Technology Platform (SNETP), establishes the road map for the start of construction of the European Gen IV prototypes. Namely it has been already decided that the construction of the LFR ETPP (European Technology Pilot Plant) MYRRHA will start in 2014 and that of the SFR Prototype ASTRID will start in 2017.

The behavior of materials under operation conditions of such systems is not appropriately covered by the available testing and evaluation standards, which therefore require updates of existing standard procedures and sometimes development of new ones.

In addition, one of the required features for the success of the Gen IV reactors is the demonstration of their long lifetime: up to 60 years.

In this frame the MATerials TEsting and Rules (MATTER) project performs care full studies of materials behaviors in GEN IV operational conditions, with the aim to find out criteria for the correct use of these materials in relevant reactor applications. The aim of the project is to answer to the industrial needs for innovation of the design rules, namely the RCC-MR and R5 standards, which were developed in Europe, capitalizing the newly developed knowledge. That is strongly underlined by the Multinational Design Evaluation Program (MDEP) Codes & Standards Working Group which has the goal to achieve convergence of practices related to nuclear component design and fabrication.

The MATTER Project contributes to raising public participation and awareness about structural materials for innovative reactors. A dedicate area, containing comprehensive summaries addressing specific interest groups and/or the public at large, was developed for the dissemination of the information related to the technologies and the materials for the innovative fission nuclear reactors.


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